The control for this
feature is located on the
instrument panel to the
left of the steering wheel.
Turn the knob clockwise to brighten the lights or counterclockwise to dim the instrument panel lights, when the parking lamps or headlamps are on.
Chevrolet Cobalt Service & Repair Manual. Relearn
Initialization Sequence
The EBCM performs one initialization
test each ignition cycle. The initialization of the EBCM occurs when the
EBCM detects the there is a minimum of 500 RPM from the ECM by means of
a serial data message and the stop lamp switch is not applied. The initial ...